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视点一、力口诀助记忆:物体推物体,力便产生出,施力和受力,同时互作用.1.知识要点(1)力的概念:力是物体对物体的作用.
The first point of view, power and tactics to help memory: objects push the object, the force will produce, exert and force, while the interaction.1 points of knowledge (1) the concept of force: force is the role of objects on objects.